52208663 has 6 divisors (see below), whose sum is σ = 56533824. Its totient is φ = 48192456.

The previous prime is 52208659. The next prime is 52208669. The reversal of 52208663 is 36680225.

It is not a de Polignac number, because 52208663 - 2² = 52208659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52208669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154295 + ... + 154632.

It is an arithmetic number, because the mean of its divisors is an integer number (9422304).

Almost surely, 2^52208663 is an apocalyptic number.

52208663 is a deficient number, since it is larger than the sum of its proper divisors (4325161).

52208663 is a wasteful number, since it uses less digits than its factorization.

52208663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308953 (or 308940 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 52208663 is about 7225.5562415637. The cubic root of 52208663 is about 373.7497038435.

Adding to 52208663 its reverse (36680225), we get a palindrome (88888888).

The spelling of 52208663 in words is "fifty-two million, two hundred eight thousand, six hundred sixty-three".